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Elle Sexton
Mathematics
5 August, 12:08
Factor 2x^2-128 completely
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Xavier Coffey
5 August, 12:32
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2x² - 128
2 (x² - 64), but (x² - 64) = x² - 8² (difference of 2 squares),[a²-b² = (a-b) (a+b) ]
2 (x² - 64) = 2 (x² - 8²) = 2 (x-8) (x+8)
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